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Home >> Pontiac >> 1992 >> LeMans VL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Idle Speed & Ignition Timing

Idle Speed & Ignition Timing

Ensure idle speed and ignition timing are set to specification. See MINIMUM IDLE SPEED SPECIFICATIONS table. For adjustment procedures, see ADJUSTMENTS article in the ENGINE PERFORMANCE Section.

MINIMUM IDLE SPEED SPECIFICATIONS (1)

Application RPM
Automatic Transmission (Neutral) 450-550
Manual Transmission 550-650
(1) With ALDL diagnostic terminal grounded. See Figure .
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